CPT® Code 0175T

Official Description

Computer-aided detection (CAD) (computer algorithm analysis of digital image data for lesion detection) with further physician review for interpretation and report, with or without digitization of film radiographic images, chest radiograph(s), performed remote from primary interpretation

Common Language Description

Computer-aided detection (CAD) is a sophisticated technology that utilizes computer algorithms to analyze digital image data for the purpose of detecting lesions, such as pulmonary nodules, within chest radiographs. This procedure is performed in conjunction with routine chest radiographs, which may be conducted with or without the digitization of film radiographic images. The CAD process is designed to enhance the detection capabilities of radiologists by providing a secondary layer of analysis that identifies areas of interest that may require further examination. The CAD system processes the images and marks potential lesions, which are then reviewed by a physician who interprets the findings and generates a report. This interpretation occurs at a location that is remote from where the primary chest radiographs are obtained and initially interpreted. The complexity of interpreting standard two-dimensional images of three-dimensional structures, such as the human chest, is significant. Lesions can be embedded within tissue, making their detection and characterization challenging. CAD technology assists in this process by highlighting regions that may warrant additional scrutiny, although it is important to note that the markings do not automatically indicate malignancy. The expertise of a radiologist is crucial in determining the clinical significance of these marked areas. The CAD system may involve scanning and digitizing traditional radiographs if they were not originally captured in a digital format, allowing for a comprehensive analysis of the images. Ultimately, the combination of CAD analysis and the radiologist's interpretation aims to improve diagnostic accuracy and patient outcomes.

1. Indications

The procedure of computer-aided detection (CAD) is indicated for the analysis of chest radiographs to assist in the identification of potential lesions, particularly pulmonary nodules. The following conditions may warrant the use of CAD:

Lesion Detection CAD is utilized to enhance the detection of lesions within the lung fields, which may include nodules or other abnormalities that require further investigation.
Routine Chest Radiographs This procedure is performed in conjunction with routine chest radiographs, providing an additional layer of analysis to standard imaging practices.
Remote Interpretation CAD is indicated when the interpretation of chest radiographs occurs at a site remote from where the images were obtained, allowing for a comprehensive review of the images by a qualified physician.

2. Procedure

The procedure for computer-aided detection (CAD) involves several key steps that ensure accurate analysis and interpretation of chest radiographs. The following outlines the procedural steps:

Step 1: Image Acquisition The process begins with the acquisition of chest radiographs, which may be captured digitally or obtained from film radiographic images. If the images are on film, they may need to be digitized for further analysis.
Step 2: CAD Processing Once the images are available in a suitable format, the CAD system employs computer algorithms to analyze the digital image data. This analysis focuses on detecting and classifying potential lesions within the radiographs.
Step 3: Marking Regions of Interest The CAD software marks regions of interest on the radiographs, highlighting areas that may require additional scrutiny. These markings are not definitive indicators of malignancy but serve as prompts for further examination.
Step 4: Physician Review An experienced radiologist reviews both the original routine radiographs and the CAD-enhanced images. The radiologist compares the marked regions of interest with the original images to identify any abnormalities.
Step 5: Interpretation and Reporting After thorough review and comparison, the physician interprets the findings and prepares a written report detailing the results of the analysis, including any identified abnormalities and recommendations for further action if necessary.

3. Post-Procedure

Post-procedure care following the CAD analysis involves the physician's interpretation of the findings and the generation of a comprehensive report. The report may include recommendations for follow-up imaging or additional diagnostic procedures based on the identified regions of interest. Patients may be advised on the next steps depending on the findings, and any necessary referrals to specialists may be made. It is essential for the radiologist to communicate the results effectively to ensure that appropriate clinical actions are taken based on the interpretation of the CAD-enhanced radiographs.

Short Descr	CAD CXR REMOTE
Medium Descr	CAD CHEST RADIOGRAPH REMOTE FROM PRIMARY INTERPJ
Long Descr	Computer-aided detection (CAD) (computer algorithm analysis of digital image data for lesion detection) with further physician review for interpretation and report, with or without digitization of film radiographic images, chest radiograph(s), performed remote from primary interpretation
Status Code	Carriers Price the Code
Global Days	XXX - Global Concept Does Not Apply
PC/TC Indicator (26, TC)	0 - Physician Service Code
Multiple Procedures (51)	0 - No payment adjustment rules for multiple procedures apply.
Bilateral Surgery (50)	0 - 150% payment adjustment for bilateral procedures does NOT apply.
Physician Supervisions	09 - Concept does not apply.
Assistant Surgeon (80, 82)	0 - Payment restriction for assistants at surgery applies to this procedure...
Co-Surgeons (62)	0 - Co-surgeons not permitted for this procedure.
Team Surgery (66)	0 - Team surgeons not permitted for this procedure.
Diagnostic Imaging Family	99 - Concept Does Not Apply
APC Status Indicator	Items and Services Packaged into APC Rates
Type of Service (TOS)	4 - Diagnostic Radiology
Berenson-Eggers TOS (BETOS)	I4B - Imaging/procedure - other
MUE	1
CCS Clinical Classification	183 - Routine chest X-ray